Ishihara

name for the popular type of colorblindness test, 1924, from Japanese ophthalmologist Shinobu Ishihara (1879-1963), who devised it in 1917.

Examples from the Web for ishihara

Calls made by Ishihara for a “new military” are alarming to many Japanese, and the Chinese blogosphere has been fretful about it.
Why Japan’s Right Turn Could Be Trouble for the U.S.
Kathryn Ibata-Arens
December 16, 2012